Miami County, Indiana

County storm and disaster record · FIPS 18103 · population 35,962 · 374 sq mi

NOAA's Storm Events Database holds 499 records for Miami County, Indiana from 1950 through June 30, 2026, on 330 days; the most frequent are severe thunderstorm wind events (216 records). The most damaging was the July 5, 2003 flood ($33.7 million in 2025 dollars). FEMA has issued 15 declarations naming the county since 1991, 13 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Straight-Line Winds, Tornadoes, and Flooding” on August 15, 2026.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
499on 330 days, 1950 to June 30, 2026
Deaths recorded
06 injuries
Damage, 2025 dollars
$76Mas filed (scale steps before 1993)
Tornadoes
20strongest EF3
FEMA declarations
15latest 2026

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Miami County most?

The most frequent records are severe thunderstorm wind events: 216 since 1956. 55% of its severe thunderstorm wind events since 1956 fell in June and July. The rank column places the county among Indiana's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Miami County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 216 135 1956-2026 0 2 $1.3M 26 of 91
Winter storms 103 88 1996-2026 0 0 $36K 25 of 91
Hail 88 62 1976-2026 0 0 $12K 25 of 91
Floods 30 23 1997-2015 0 0 $62M 66 of 91
High wind and dust storms 22 16 1997-2026 0 0 $11K 18 of 91
Tornadoes 20 19 1954-2025 0 4 $13M 36 of 91
Extreme cold 7 6 1996-2024 0 0 – 32 of 91
Fog, smoke and funnel clouds 4 3 1996-2005 0 0 – 9 of 91
Drought 3 3 2012-2012 0 0 – 50 of 91
Heat 2 1 1997-1997 0 0 – 60 of 91
Heavy rain 2 2 2015-2015 0 0 – 26 of 91
Lightning 2 2 2005-2008 0 0 $21K 47 of 91

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Miami County had?

NOAA records 20 tornadoes in Miami County from 1954 to 2025, the strongest rated EF3, with 0 deaths and 4 injuries recorded in the county. That is 36th of 91 Indiana counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 20 tornadoes whose track touched Miami County since 1950 (NOAA's county records number 20, the same count); along their whole tracks they killed 0 people.

The deadliest and strongest tornadoes that touched Miami County, whole tracks
DateTornadoRatingPathKilled
2019-05-27 17:51, as SPC files itMacy to Silver LakeEF313.72 mi0
2010-06-05 23:41, as SPC files itGrissom AFBEF37.45 mi0
2004-05-30 19:55, as SPC files itPeruF34.5 mi0
1963-04-29 18:49, as SPC files itDelphi to PeruF323.1 mi0

Map of the strongest tornado tracks in Indiana.

Every tornado record filed for Miami County (20)
Every tornado recorded in Miami County, newest first
DatePlaceCharacterKilledInjuredDamage
2025-03-19 Macy, Miami County EF0 1 mi x 100 yd 0 0 $150K
2019-05-27 Macy, Miami County EF3 4.22 mi x 800 yd 0 0 –
2019-05-27 Loree, Miami County EF1 0.58 mi x 50 yd 0 0 –
2017-07-10 Chili, Miami County EF1 2.95 mi x 100 yd 0 0 –
2016-08-24 Ridgeview, Miami County EF0 0.06 mi x 20 yd 0 0 –
2013-11-17 Bunker Hill, Miami County EF1 2.87 mi x 250 yd 0 0 –
2013-07-10 Nead, Miami County EF1 3.47 mi x 200 yd 0 2 –
2010-06-06 Grissom Afb Per, Miami County EF3 6.46 mi x 250 yd 0 0 $1.0M
2005-07-26 Bunker Hill, Miami County F2 3 mi x 100 yd 0 0 $529K
2004-05-30 Peru, Miami County F3 4.5 mi x 360 yd 0 1 $9.4M
2004-04-20 Amboy, Miami County F0 1 mi x 50 yd 0 0 –
1995-05-13 Mexico, Miami County F1 1.5 mi x 70 yd 0 1 $1.4M
1992-07-02 Miami County F0 0.1 mi x 50 yd 0 0 –
1984-07-03 Miami County F0 0 0 –
1963-04-29 Miami County F3 14.5 mi x 33 yd 0 0 –
1962-04-30 Miami County F1 0 0 $3K step
1959-05-26 Miami County 0 0 $3K step
1957-04-26 Miami County F1 0 0 $3K step
1956-03-06 Miami County F2 0 0 $3K step
1954-05-31 Miami County F2 0 0 $3K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Miami County?

The most recent record with damage, injuries or deaths is the April 22, 2026 hail ($1,000 in damage in 2025 dollars).

The 12 most recent records kept for Miami County
DateRecordCharacterKilledInjuredDamage
2026-06-11 Thunderstorm WindGrissom Afb Per, Miami County 56 kt wind 0 0 –
2026-06-11 Thunderstorm WindPeru, Miami County 56 kt wind 0 0 –
2026-06-11 Thunderstorm WindDenver, Miami County 52 kt wind 0 0 –
2026-04-22 HailDenver, Miami County 1.00 in hail 0 0 $1K
2026-03-22 HailWawpecong, Miami County 1.00 in hail 0 0 $1K
2026-03-13 High WindMiami County · forecast zone Miami 51 kt wind 0 0 –
2026-01-24 Winter StormMiami County · forecast zone Miami 0 0 –
2025-11-29 Winter StormMiami County · forecast zone Miami 0 0 –
2025-03-30 Thunderstorm WindPeru Numi Airport, Miami County 52 kt wind 0 0 $50K
2025-03-30 Thunderstorm WindPeru, Miami County 51 kt wind 0 0 –
2025-03-30 Thunderstorm WindGrissom Afb Per, Miami County 56 kt wind 0 0 –
2025-03-19 TornadoMacy, Miami County EF0 1 mi x 100 yd 0 0 $150K

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Miami County, most deaths first
DateRecordCharacterKilledInjuredDamage
2013-07-10 TornadoNead, Miami County A NWS storm survey indicated a circulation touched down in a corn field south of US-24 to the west of CountryMark refinery. The tornado then traveled along US-24 between South Cook Street and South Park Ave. Extensive tree damage was noted along the path with numerous uprooted or snapped trees. Minor roof or ... EF1 3.47 mi x 200 yd 0 2 –
2004-05-30 TornadoPeru, Miami County NWS storm survey found a tornado with a path length near four and one half miles and just less than one quarter mile wide at its greatest width. The storm touched down three and one half miles west southwest of downtown Peru as an F0 and moved northeast at 35 MPH across the northwest corner of the city of Peru. The ... F3 4.5 mi x 360 yd 0 1 $9.4M
1995-05-13 TornadoMexico, Miami County Brief tornado touchdown damaged 20 homes, destroyed two mobile homes, damaged the roof and steeple of a church in Mexico. A 15-year-old boy received cuts and bruises in one of the damaged homes. Numerous trees and power lines were downed by the storms in Mexico and the nearby town of Denver. F1 1.5 mi x 70 yd 0 1 $1.4M
1990-08-28 Thunderstorm WindMiami County 0 1 –
1990-06-02 Thunderstorm WindMiami County 0 1 –
The costliest records in Miami County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2003-07-05 FloodCass County and 2 more · forecast zone Howard 0 0 $34M
1999-01-22 FloodCass County and 2 more · forecast zone Howard 0 0 $25M
2004-05-30 TornadoPeru, Miami County F3 4.5 mi x 360 yd 0 1 $9.4M
1998-07-22 Flash FloodPeru, Miami County 0 0 $2.7M
1995-05-13 TornadoMexico, Miami County F1 1.5 mi x 70 yd 0 1 $1.4M
2010-06-06 TornadoGrissom Afb Per, Miami County EF3 6.46 mi x 250 yd 0 0 $1.0M
2005-07-26 TornadoBunker Hill, Miami County F2 3 mi x 100 yd 0 0 $529K
2005-07-26 Thunderstorm WindGrissom Afb, Miami County 70 kt wind 0 0 $227K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $3K, in the dollars of the day) holds: May 31, 1954 (tornado, Miami County); March 6, 1956 (tornado, Miami County); April 26, 1957 (tornado, Miami County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Miami County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Miami County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind2061435736125
Winter storms––––15314314
Hail00131741206
Floods––––111540
High wind and dust storms––––21253
Tornadoes42012371

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

55% of its severe thunderstorm wind events since 1956 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 48 · Feb 39 · Mar 40 · Apr 31 · May 54 · Jun 104 · Jul 79 · Aug 36 · Sep 13 · Oct 3 · Nov 20 · Dec 32 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Miami County

FEMA's register lists 15 declarations that include Miami County: 8 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for severe storm (5) and snowstorm (3).

Declarations including Miami County, newest first
DeclaredNumberTypeTitle
2026-08-15EM-3651FloodSevere Storms, Straight-Line Winds, Tornadoes, and Flooding
2026-01-24EM-3641Winter StormSevere Winter Storm
2020-04-03DR-4515BiologicalCovid-19 Pandemic
2020-03-13EM-3456BiologicalCovid-19
2007-03-12EM-3274SnowstormSnow
2005-09-10EM-3238HurricaneHurricane Katrina Evacuation
2005-01-21DR-1573Severe StormSevere Winter Storms and Flooding
2004-06-03DR-1520Severe StormSevere Storms, Tornadoes, and Flooding
2003-07-11DR-1476Severe StormSevere Storms, Tornadoes, and Flooding
2001-01-24EM-3162SnowstormSnow
1999-01-15EM-3135SnowstormIn-Winter Storm 12/23/98
1998-07-22DR-1234Severe StormSevere Storms and Tornadoes, and Flooding
1992-09-18DR-962Severe StormSevere Storms, Tornadoes & Flooding
1991-03-29DR-899Severe Ice StormSevere Ice Storm
1991-01-05DR-891FloodSevere Storms & Flooding

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Miami County had?

NOAA's Storm Events Database holds 30 flood or flash flood records for Miami County from 1997 to 2015, on 23 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Miami County ranks 1887th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $196,000 on 31 claims filed in Miami County; the most in one year was 9 in 1998. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1982: 2 · 1985: 2 · 1998: 9 · 1999: 1 · 2003: 2 · 2011: 1 · 2012: 1 · 2013: 9 · 2015: 1 · 2017: 1 · 2026: 2; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Miami County

FEMA's National Risk Index rates Miami County Relatively Low overall, with an expected annual loss of $15.6 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Miami County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Strong WindRelatively Moderate$963K5.3 a year (modeled)
DroughtRelatively Moderate$470K1.9 modeled event-days a year
HailRelatively Low$501K4 a year (modeled)
Cold WaveRelatively Low$1.5M4 a year (modeled)
Riverine FloodingRelatively Low$9.7Monce in about 3 years (modeled)
TornadoRelatively Low$1.5Monce in about 4 years (modeled)
Winter WeatherRelatively Low$69K9.5 a year (modeled)
Heat WaveRelatively Low$363K5.3 modeled event-days a year

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Miami County

  1. Grant County 510
  2. Cass County 505
  3. Miami County 499
  4. Howard County 399
  5. Fulton County 388
  6. Wabash County 349

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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